Thousandshores via Amazon offers the Esky ES013 Barcode Scanner, model no. LYSB00EIBO1O8-ELECTRNCS, for $49.99. Coupon code "7BDIWOQA" cuts the price to $29.99. With free shipping, that's the lowest total price we could find by $20. It features Bluetooth wireless, USB 2.0, storage for up to 2,600 codes, and speeds of up to 200 scans per second.